US3304047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor
Assignee: ACF Industries Inc
•
Filing: 1964-05-22
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Granted: 1967-02-14
•
Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Charles L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:51
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4328; F02M2700/4333; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE HAVING A FUEL INLET, A VALVE STRUCTURE FOR CONTROLLING THE FLOW OF FUEL THROUGH THE INLET, SAID VALVE STRUCTURE INCLUDING A VALVE BODY HAVING A FUEL PASSAGE THERETHROUGH CONNECTED TO THE FUEL INLET AND AN ANNULAR VALVE SEAT FORMED WITHIN THE FUEL PASSAGE, A VALVE NEEDLE MOUNTED FOR LONGITUDINAL MOVEMENT WITHIN THE FUEL PASSAGE, A CONICAL TIP ON ONE END OF THE VALVE NEEDLE ADAPTED TO ENGAGE THE VALVE SEAT TO BLOCK THE FLOW OF FLUID THROUGH THE VALVE, AT LEAST ONE PAIR OF OUTWARDLY DIVERGING SUBSTANTIALLY PLANAR SURFACES FORMED INTERMEDIATE THE LENGTH OF THE VALVE BODY AND DEFINING AT LEAST ONE OUTWARDLY DIVERGING PASSAGE WHICH COMMUNICATES WITH THE FUEL PASSAGE THROUGH AN OPENING HAVING A GREATER AREA THAN THE AREA DEFINED BY THE ANNULAR VALVE SEAT.
Claim 2
Dependent Claim
134 words
A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE HAVING A FUEL INLET, A VALVE STRUCTURE FOR CONTROLLING THE FLOW OF FUEL THROUGH THE INLET, SAID VALVE STRUCTURE INCLUDING A VALVE BODY HAVING A FUEL PASSAGE THERETHROUGH CONNECTED TO THE FUEL INLET AND AN ANNULAR VALVE SEAT FORMED WITHIN THE FUEL PASSAGE, A VALVE NEEDLE MOUNTED FOR LONGITUDINAL MOVEMENT WITHIN THE FUEL PASSAGE, A CONICAL TIP ON ONE END OF THE VALVE NEEDLE ADAPTED TO ENGAGE THE VALVE SEAT TO BLOCK THE FLOW OF FLUID THROUGH THE VALVE, AT LEAST ONE PAIR OF OUTWARDLY DIVERGING SUBSTANTIALLY PLANAR SURFACES FORMED INTERMEDIATE THE LENGTH OF THE VALVE BODY AND DEFINING AT LEAST ONE OUTWARDLY DIVERGING PASSAGE WHICH COMMUNICATES WITH THE FUEL PASSAGE THROUGH AN OPENING HAVING A GREATER AREA THAN THE AREA DEFINED BY THE ANNULAR VALVE SEAT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |